rectangles: fixed #619
rectangles: fixed #619

exercism/python,N-Parsons/exercism-python,pheanex/xpython,exercism/xpython,jmluy/xpython,smalley/python,jmluy/xpython,exercism/xpython,mweb/python,exercism/python,behrtam/xpython,pheanex/xpython,behrtam/xpython,mweb/python,N-Parsons/exercism-python,smalley/python